Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Sample proportion and probability based on normal distribution.
A nationwide study in 2003 indicated that about 60% of college students with cell phones send and receive text messages with their phones. Suppose a simple random sample of n = 1136 college students with cell phones is obtained.1. Describe the sampling distribution of p' , the sample proportion of college students with cell phones who send or receive messages.?2. What is the probability that 665 or fewer college students in the sample send and receive text messages with their phones? Is this result unusual?
Construct a tree diagram and list the sample space. Assuming that boys and girls are equally likely, determine the probability that the couple has two girls.
Random sample of 64 lightbulbs indicates a sample mean life of 350 hours. At a 5% level of significance, is the mean life more than 375. Which of the following is your two hypotheses?
Average cost of $3,200 for products. n=25. After review it seems mean cost is $2,000 with a standard deviation of $150. Test that average cost is $3,200 or more versus $2,000. assume level of significance of .05.
An airline estimates that 90% of people booked on their flights actually show up. If the airline books 71 people on a flight for which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity..
If a constant release of a gaseous low-level radioactive isotope from a medical facility is allowed, what would be the acceptable release rate in a year's period (in rems per hour).
A standard deviation of 0.45 miles per gallon, find the probablilty that a car has a gas mileage of between 27.8 and 28.2 miles per gallon.
What is the point estimate of the proportion of the population of employees who strongly dislike their current work experience?
Discussion should include a critical reflection on the way in which you completed the market challenge element of the module.
If 100 stolen cars are randomly selected, what is the mean and standard deviation of the number of cars recovered after being stolen?
Develop 95% confidence intervals for the proportion of all students, the proportionof male students, and the proportion of female students who were involved in sometype of cheating.
Determine the probability the sample of 40 will have a sales average less than $400,000.
Use the given confidence level and sample data to find a confidence interval for estimating the population mean
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd